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Finding the Fourth Proportional to 69,472.58, 104,205.96 and 29,480.58

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Solution

The fourth proportional to 69,472.58, 104,205.96 and 29,480.58 is: 44,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,472.58 : 104,205.96 = 29,480.58 : x
  2. Step 2: Convert to fraction form
    69,472.58/104,205.96 = 29,480.58/x
  3. Step 3: Cross multiply
    69,472.58x = 104,205.96 × 29,480.58
  4. Step 4: Simplify right side
    69,472.58x = 3,072,052,140.26
  5. Step 5: Solve for x
    x = 3,072,052,140.26/69,472.58
  6. Step 6: Final answer
    x = 44,219.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.